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Crop Protection with vernacular Names

Crop Protection with vernacular Names
30
Jul

Leaf folder

 

Scientific name : Cnaphalocrocis medinalis.

 Local name:

Damage of Leaf folder:

1. Larvae fold the leaves, remain inside the fold and scrape green tissues between the veins which makes the leaves white and papery.

2. Gradually the leaves dry up and the field presents a scorched appearance.

Control of Leaf folder:

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Green leaf hopper(GLH)

 

Scientific Name: Nephotettix virescens

Local name:

Damage of Green leaf hopper:

1. Nymph and adult suck cell sap and attract sooty mould.

2. Heavy infestation causes withering and complete drying of crop.

3. This pest is a potent vector transmitting several viral diseases like rice tungro diseases which cause yellowing, stunting and drying of plant.

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Rice bug/ Gundhi bug/ Ear head bug

 

Scientific Name : Leptocorisa acuta.

 Local Name :

Damage of Gundhi bug:

Sucking of grain sap by the bug causes ill-filled/ partially filled and chaffy grains and subsequent infection by fungi and bacteria results in grain discolouration.

Control of Gundhi bug:

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Rice hispa

 

Scientific name : Dicladispa armigera .

Local name :

Damage of Rice hispa:

Both adults and grub feed on the green matter of the leaves in short straight line parallel to mid rib.

The attacked leaves turn whitish and membranous.

Control of Rice hispa (RH):

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

White backed plant hopper(WBPH)

 

Scientific name : Sogatella furcifera .

Local name:

Damage of White backed plant hopper:

1. Both the nymphs and adults injure alike by sucking phloem sap leading to reduced vigor, stunting, yellowing, delayed tillering and grain formation. Their feeding attract sooty mould.

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Brown plant hopper (BPH)

 Scientific name : Nilaparvata lugens.

  Local name:

Damage of Brown plant hopper:

This pest causes draining out of plant fluid and nutrients by continuous sucking during high infestation and plants become yellow and finally die.

This symptom of crop damage is known as hopper burn.

Control of Brown plant hopper:

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Asian rice gall midge

 

Scientific name : Orseolia oryzae

Local name:

Damage of Asian rice gall midge:

1. Infestation starts from nursery to panicle stage of the crop.

2. After hatching the maggots migrate to the growing meristematic tissue and feed on it, which in turn causes formation of gall called silver shoot/ onion shoot.

Control of Asian rice gall midge:

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Yellow stem borer (YSB)

 

Scientific name: Scirpophaga incertulas Walker.

 Local name :

Identification of Damage Yellow stem borer:

1. The larvae bore into the leaf sheaths within 24 h of hatching and later enter the stem mostly the nodal region.

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
29
Jul

Thrips ( elaipane )

 

1. Common name- Thrips.

 2. Scientific name - Stenchaetothrips biformis.

 3. Vernacular name - elaipane ( இலைப்பேன் ).

Symptoms of damage of Thrips:

• Laceration of the tender leaves and suck the plant sap.

• Yellow (or) silvery streaks on the leaves of young seedlings.

• Terminal rolling and drying of leaves from tip to base.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Rice Earhead Bug ( Kathier navaipoochi )

 

1. Common name- Rice earhead bug.

2. Scientific name - Leptocorisa acuta.

 3. Vernacular name - Kathier navaipooch.

Symptoms of damage of Rice earhead bug:

• Sucking the sap from individual grains, which are in milky stage. • Individual grains become chaffy.

 • Black spots on the grains at the site of feeding puncture.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Mealybug ( Mavuppoochi )

1. Common name- Mealybug .

2. Scientific name - Brevennia rehi.

 3. Vernacular name - Mavuppoochi ( மாவுப்பூச்சி )

 Identification of Mealybug:

Adult - Small reddish white, soft-bodied wingless insect covered with filamentous materials.

Damage of Mealybug :

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
Mr. Y. Kondal Rao (DRR)
29
Jul

White backed plant hopper ( Ven muthugu thathu poochi )

1. Common name - White backed plant hopper.

 2. Scientific name - Sogatella furcifera.

 3. Vernacular name - Ven muthugu thathu poochi ( வெண் முதுகு தத்துப்பூச்சி ).

Damage of White backed plant hopper.

• Suck the sap and cause stunted growth.

• “Hopper burn” is caused in irregular patches.

Identification of White backed plant hopper.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Brown plant leafhopper ( pogayan)

 

1. Common name- Brown plant leafhopper.

 2. Scientific name - Nilaparvata lugens.

 3. Vernacular name - pogayan ( புகையான்)  .

Symptoms of damage of Brown plant leafhopper:

• Nymphs and adults congregate at the base of the plant above the water level.

• Affected plant dries up and gives a scorched appearance called “hopper burn”.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Whorl maggot ( Kuruthu EE)

 

1. Common name- Whorl maggot.

2. Scientific name - Hydrellia sasakii.

3. Vernacular name - Kuruthu EE ( குருத்து ஈ ) .

Symptom of damage of Whorl maggot:

• Maggot feeds on the tender tissue inside the whorl.

• Yellowish white longitudinal marginal blotching with hole.

• Leaves shrivelled plant stunted and maturity delayed.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Spiny beetle / Rice hispa (Mule vandu)

 

1. Common name - Spiny beetle / Rice hispa.

2. Scientific name - Dicladispa armigera.

 3. Vernacular name - Mule vandu ( முள் வண்டு ).

Symptoms of damage of Spiny beetle:

• Adults feed on chlorophyll by scraping and causing white parallel streaks.

• White patches along with long axis of leaf.

• Grubs mine into the leaves and make blister near leaf tips.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Yellow hairy caterpillar ( Manchal kambalipuzhu)

1. Common name - Yellow hairy caterpillar .

2. Scientific name - Psalis pennatula .

3. Vernacular name - Manchal kambalipuzhu ( மஞ்சள கம்பளிப்புழு ).

Symptoms of damage of Yellow hairy caterpillar:

• Caterpillar causes defoliation.

Identification of Yellow hairy caterpillar:

• Caterpillar is yellowish brown with red stripes.

 • Orange head and tufts of hairs all over the body.

• Pupa - pale white cocoon of silk and frass attached to the leaf.

File Courtesy: 
TNRRI, Aduthurai
29
Jul

Rice horned caterpillar ( Pachhai kombupuzhu )

 

1. Common name - Rice horned caterpillar .

2. Scientific name - Melanitis ismene.

3. Vernacular name - Pachhai kombupuzhu ( பச்சை கொம்புப்புழு ).

Damage of Rice horned caterpillar :

• Larva feeds on leaf blades of rice.

• Leaves are defoliated from the margin or tip irregularly.

Identification of Rice horned caterpillar:

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Leaf folder (or) leaf roller (Elai suruttupuzhu)

 

1. Common name- Leaf folder (or) leaf roller .

2. Scientific name - Cnaphalocrocis mainsails / Marasmia patnalis.

 3. Vernacular name - Elai suruttupuzhu ( இலை சுருட்டுப்புழு ).

Symptom of damage of Leaf folder :

• Leaves fold longitudinally and larvae remains inside.

• Larvae scrapes the green tissues of the leaves and becomes white and dry.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
29
Jul

Rice skipper ( Nel skipper )

1. Common name - Rice skipper .

2. Scientific name - Pelopidas mathias.

3. Vernacular name - Nel skipper ( நெல் ஸ்கிப்பர் ).

Symptom of damage of Rice skipper ( Nel skipper ):

• Edges of the leaves are fastened with webbing.

• Backward rolling of leaves.

• caterpillar feeds from margin to inwards.

Identification of Rice skipper ( Nel skipper ):

Larva: Pale green with constructed neck.

Adult: Butterfly with brown coloured wings and curved antenna

File Courtesy: 
TNRRI, Aduthurai
29
Jul

Gall midge ( Nel Kurutthu E)

 

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
TNRRI,Aduthurai
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